MultiExact Gas Analyser
5 – Installation and set-up
5.7
Configuring and using the mA outputs (option)
5.7.1 Overview
The analyser can be supplied with a mA output for each sample gas measurement for
which the analyser is configured.
Each mA output provides a constantly updated output, in which the current represents
the value of gas sample measurements.
The analyser allows you to specify two separate range configurations per
measurement for the mA outputs: range 1 and range 2. The current range is shown on
the measurement screen (see Figure 3):
is shown if range 1 is selected.
is shown if range 2 is selected.
The mA output can be selected as:
•
0 to 20 mA, where 0 mA represents the lowest sample measurement and 20 mA
represents the highest sample measurement in the range you have specified.
•
4 to 20 mA, where 4 mA represents the lowest sample measurement and 20 mA
represents the highest sample measurement in the range you have specified.
In addition to the above, you can specify how the mA output will operate during
calibration, fault conditions and under-range conditions.
Details of the output parameters for the mA outputs are given in Section 5.7.2. Set up,
configure, check, calibrate and use the mA outputs as described in Section 5.7.4.
5.7.2 Introduction to the mA output parameters
The mA output parameters that you must set up are as follows:
Parameter
Values/options
Range
The selected option determines the mA output range
associated with a measurement:
Range 1
The output is set to use range 1
Range 2
The output is set to use range 2
Auto
The output will automatically switch between
range 1 and range 2 depending on sample
measurements
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